Search Results for author: Cheng Feng

Found 16 papers, 6 papers with code

Connection-Aware P2P Trading: Simultaneous Trading and Peer Selection

no code implementations19 Feb 2024 Cheng Feng, Kedi Zheng, Lanqing Shan, Hani Alers, Lampros Stergioulas, Hongye Guo, Qixin Chen

Numerical studies are carried out to validate the effectiveness of the connection-aware algorithm and the performance of smart selection strategies in reducing the overall convergence time.

PARs: Predicate-based Association Rules for Efficient and Accurate Model-Agnostic Anomaly Explanation

1 code implementation18 Dec 2023 Cheng Feng

While new and effective methods for anomaly detection are frequently introduced, many studies prioritize the detection task without considering the need for explainability.

Anomaly Detection

Goal-Oriented Wireless Communication Resource Allocation for Cyber-Physical Systems

no code implementations6 Nov 2023 Cheng Feng, Kedi Zheng, Yi Wang, Kaibin Huang, Qixin Chen

We formulate a bandwidth allocation problem aimed at maximizing the information utility gain of transmitted data brought to CPS operation goals.

Decision Making Distributed Optimization +1

Joint Oscillation Damping and Inertia Provision Service for Converter-Interfaced Generation

no code implementations4 Sep 2023 Cheng Feng, Linbin Huang, Xiuqiang He, Yi Wang, Florian Dörfler, Qixin Chen

To address this gap, this paper defines the joint oscillation damping and inertia provision services at the system level, seeking to encourage converter-interfaced generation to provide enhanced damping and fast frequency response capabilities.

Learning Invariant Rules from Data for Interpretable Anomaly Detection

1 code implementation24 Nov 2022 Cheng Feng, Pingge Hu

In the research area of anomaly detection, novel and promising methods are frequently developed.

Anomaly Detection Decision Making

Robust Learning of Deep Time Series Anomaly Detection Models with Contaminated Training Data

no code implementations3 Aug 2022 Wenkai Li, Cheng Feng, Ting Chen, Jun Zhu

In this work, to tackle this important challenge, we firstly investigate the robustness of commonly used deep TSAD methods with contaminated training data which provides a guideline for applying these methods when the provided training data are not guaranteed to be anomaly-free.

Anomaly Detection Time Series +1

A cGAN Ensemble-based Uncertainty-aware Surrogate Model for Offline Model-based Optimization in Industrial Control Problems

no code implementations15 May 2022 Cheng Feng

Specifically, we introduce a novel cGAN ensemble-based uncertainty-aware surrogate model for reliable offline model-based optimization in industrial control problems.

Continuous Control

Time Series Anomaly Detection for Cyber-Physical Systems via Neural System Identification and Bayesian Filtering

1 code implementation15 Jun 2021 Cheng Feng, Pengwei Tian

Recent advances in AIoT technologies have led to an increasing popularity of utilizing machine learning algorithms to detect operational failures for cyber-physical systems (CPS).

Anomaly Detection Time Series +1

Nonlinear Hawkes Processes in Time-Varying System

no code implementations9 Jun 2021 Feng Zhou, Quyu Kong, Yixuan Zhang, Cheng Feng, Jun Zhu

Hawkes processes are a class of point processes that have the ability to model the self- and mutual-exciting phenomena.

Bayesian Inference Point Processes +1

StackVAE-G: An efficient and interpretable model for time series anomaly detection

1 code implementation18 May 2021 Wenkai Li, WenBo Hu, Ting Chen, Ning Chen, Cheng Feng

We also leverage a graph learning module to learn a sparse adjacency matrix to explicitly capture the stable interrelation structure among multiple time series channels for the interpretable pattern reconstruction of interrelated channels.

Anomaly Detection Graph Learning +2

Multi-Modal Active Learning for Automatic Liver Fibrosis Diagnosis based on Ultrasound Shear Wave Elastography

no code implementations2 Nov 2020 Lufei Gao, Ruisong Zhou, Changfeng Dong, Cheng Feng, Zhen Li, Xiang Wan, Li Liu

With the development of radiomics, noninvasive diagnosis like ultrasound (US) imaging plays a very important role in automatic liver fibrosis diagnosis (ALFD).

Active Learning

RelSen: An Optimization-based Framework for Simultaneously Sensor Reliability Monitoring and Data Cleaning

no code implementations19 Apr 2020 Cheng Feng, Xiao Liang, Daniel Schneegass, PengWei Tian

Therefore, in order to enhance the reliability of sensing applications, apart from the physical phenomena/processes of interest, we believe it is also highly important to monitor the reliability of sensors and clean the sensor data before analysis on them being conducted.

Decision Making

Cannot find the paper you are looking for? You can Submit a new open access paper.